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Research

IS MESENCHYMAL STROMAL CELL-BASED CELLULAR THERAPY BENEFICIAL IN THE MANAGEMENT OF ROTATOR CUFF TEARS? A META-ANALYSIS OF COMPARATIVE CLINICAL STUDIES

The International Combined Orthopaedic Research Societies (ICORS), World Congress of Orthopaedic Research, Edinburgh, Scotland, 7–9 September 2022. Part 3 of 3.



Abstract

To analyse the efficacy and safety of cellular therapy utilizing Mesenchymal Stromal Cells (MSCs) in the management of rotator cuff(RC) tears from clinical studies available in the literature.

We conducted independent and duplicate electronic database searches including PubMed, Embase, Web of Science, and Cochrane Library on August 2021 for studies analyzing the efficacy and safety of cellular therapy (CT) utilizing MSCs in the management of RC tears. VAS for pain, ASES Score, DASH Score, Constant Score, radiological assessment of healing and complications and adverse events were the outcomes analyzed. Analysis was performed in R-platform using OpenMeta [Analyst] software.

RESULTS:

6 studies involving 238 patients were included for analysis. We noted a significant reduction in VAS score for pain at 3 months (WMD=-2.234,p<0.001) and 6 months (WMD=-3.078,p<0.001) with the use of CT. Concerning functional outcomes, utilization of CT produced a significant short-term improvement in the ASES score (WMD=17.090,p<0.001) and significant benefit in functional scores such as Constant score (WMD=0.833,p=0.760) at long-term. Moreover, we also observed a significantly improved radiological tendon healing during the long-term follow-up (OR=3.252,p=0.059). We also noted a significant reduction in the retear rate upon utilization of CT in RC tears both at short- (OR=0.079,p=0.032) and long-term (OR=0.434,p=0.027). We did not observe any significant increase in the adverse events as compared with the control group (OR=0.876,p=0.869).

Utilization of CT in RC tear is safe and it significantly reduced pain severity, improved functional outcome, enhanced radiological tendon healing, and mitigated retear rates at short- and long-term follow-up.


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